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Allocation
2. How the market works and market failure
Term | Definition |
---|---|
Private Goods | Scarce resources with an opportunity cost of consumption, normally provided by Private Sector, small external costs and benefits, no information failure, no government actions, no non-rival, marginal cost is not zero, and not non-excludable. |
Free Goods | Unlimited supply from nature, normally provided by nature, no external costs and benefits, no information failure, no government actions, non-rival, marginal cost is zero, and non-excludable. |
Public Goods | Goods that would not be provided by the private sector due to the ‘free rider problem’,no external costs and benefits, no information failure, government actions: direct provision, non-rival, marginal cost is zero, and non-excludable. |
Merit Goods | Consumers underestimate Private Benefits, likely benefits,(private benefits are underestimated), government actions: subsidies, legislation, direct provision, informative advertising, not non-rival, marginal cost is not zero, and not non-excludable. |
Demerit Goods | Consumers underestimate private cost, likely costs,(private costs are underestimate), government actions: taxation, legislation, complete ban, informative advertising, not non-rival, marginal cost is not zero, and not non-excludable. |
Negative Externalities | Goods with a significant external cost, private sector, external cost, information failure, government actions: taxation, legislation, complete ban, and informative advertising, not non-rival, marginal cost is not zero, and not non-excludable. |
Positive Externalities | Goods with a significant external benefit, private/public sector, external benefits, information failure, government actions: subsidies, legislation, direct provision, and informative advertising, rival, marginal cost is not zero, and not non-excludable. |
Subsidy | a payment to producers to reduce their costs of production, encourages them to increase market supply |
Direct Provision | directly providing the product, hence name |
Legislation | The process through which statutes are enacted by a legislative body |
Informative Advertising | advertising that is carried out in an informative manner, giving it more credibility |
Taxation | A means by which governments finance their expenditure by imposing charges on citizens and corporate entities |
Complete Ban | prohibiting the product’s manufacturing line especially by official decree |
Price elastic supply | Supply is highly price sensitive. A small percentage change in the price of a product will cause a far greater percentage change in the quantity supplied. |
Price inelastic demand | Demand is relatively price insensitive. A small percentage change in the price of the product will result in a smaller percentage change in the quantity demanded. |
Price elasticity of demand | The responsiveness of consumer demand for a product to a change in its price. |
Price elasticity of supply | The responsiveness of the supply of a product to a change in its price. |
Perfectly Inelastic | There is no response in Supply/Demand to a change in price. |
Inelastic | There is a less than proportional response in Supply/Demand to a change in price. |
Unitary | Changes are the same |
Elastic | There is a more than proportional response in Supply/Demand to a change in price. |
Perfectly Elastic | There is a definite response in Supply/Demand to a change in price. Producers are prepared to supply any amount at any given time. |
P.E.D. | Percentage Change in Demand/Percentage Change in Price |
%change | (difference/original)*100 |
Factors that affect Elasticity of Supply | production time, stocks of the good, spare capacity, and spare factors of production to expand |